![]() ![]() My readers will recognize this a pet peeve: far too many books waste our time with long rants and unimportant details. Moreover, his story-telling is relevant and to-the-point. His references are precise and from different disciplines, and he often relates personal conversations with fellow experts. Even microtargeting (remember Cambridge Analytica?) is not effective without optimization algorithms.Įvidence and expertise get star roles in Sinan’s book. He describes how local network effects make social platforms grow so fast, how its economic incentives work and how advertising on these platforms is not as effective as many believe, given strong self-selection effects and a lack of causal evidence. The Hype Machine is a great book, discussing how social media disrupts our elections, our economy and our health, and even offering some solutions! Sinan Aral covers a wide variety of related topics, including what social media does to our brain, and how its hyper-socialization boosts human biases. If it can, and thousands each year are, it simply does not do justice to a complex issue. ![]() No great business book can be summarized in 1 sentence. To harden our democracies to the threat of digital manipulation we need research and legislation: research to understand the threat, and legislation to neutralize it. We don’t know because we aren’t measuring it. ‘‘What we don’t know is whether these efforts tipped the 2016 election, or if they are affecting the current election in 2020. ![]()
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